Dreaming About Flies in Tarot

hello? Is anyone there?

 I had this dream last night where I pick up a deck of cards belonging to a friend who doesn't actually exist, on one of the cards—which was either a card from the suit of Cups or a card that doesn't exist at all, since it depicted a chalice with flowers—there were three flies forming a triangle; they moved around the card but never broke that triangular formation

  my friend in the dream mentioned something about it being a sign from an Umbanda entity, and we laughed about it, but I have no connection to that religion (though I don't follow any religion at all). 

 does anyone have a guess?